engineering/java-topology
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

undefect. CWE-407 — 63 sites patched across 27 ecosystems

Browse source 
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com

Patches, unit tests, benchmarks, whitepaper, and outreach briefs.
Public domain — no copyright claimed. Use freely.
This commit is contained in:
russell@unturf.com 2026-03-26 17:11:57 -04:00
commit 0a580b313d
70422 changed files with 17213626 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

66
test/jdk/java/util/TimeZone/Bug5097350.java Normal file
View file

@ -0,0 +1,66 @@
/*
* Copyright (c) 2004, 2025, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 5097350 8347841 8347955
* @summary Make sure that TimeZone.getTimeZone returns a clone of a cached TimeZone instance.
*/
import java.time.ZoneId;
import java.util.*;
import java.util.function.Predicate;
public class Bug5097350 {
public static void main(String[] args) {
String[] tzids = TimeZone.availableIDs()
.filter(Predicate.not(ZoneId.SHORT_IDS::containsKey))
.toArray(String[]::new);
List<String> ids = new ArrayList<>(tzids.length + 10);
ids.addAll(Arrays.asList(tzids));
// add some custom ids
ids.add("GMT+1");
ids.add("GMT-7:00");
ids.add("GMT+10:20");
ids.add("GMT-00:00");
ids.add("GMT+00:00");
for (String id : ids) {
test(id);
}
}
private static void test(String id) {
TimeZone tz1 = TimeZone.getTimeZone(id);
int offset1 = tz1.getRawOffset();
tz1.setRawOffset(offset1 + 13 * 60 * 60 * 1000);
TimeZone tz2 = TimeZone.getTimeZone(id);
if (tz1 == tz2) {
throw new RuntimeException("TimeZones are identical: " + id);
}
if (offset1 != tz2.getRawOffset()) {
throw new RuntimeException("Offset changed through aliasing: " + id);
}
}
}